2 files changed, 1 insertions, 19 deletions

diff --git a/arch/powerpc/Kconfig b/arch/powerpc/Kconfig
index 8a54eb8e3768..2e19500921f9 100644
--- a/arch/powerpc/Kconfig
+++ b/arch/powerpc/Kconfig
@@ -313,19 +313,6 @@ config 8XX_MINIMAL_FPEMU
 
           It is recommended that you build a soft-float userspace instead.
 
-config IOMMU_VMERGE
-        bool "Enable IOMMU virtual merging"
-        depends on PPC64
-        default y
-        help
-          Cause IO segments sent to a device for DMA to be merged virtually
-          by the IOMMU when they happen to have been allocated contiguously.
-          This doesn't add pressure to the IOMMU allocator. However, some
-          drivers don't support getting large merged segments coming back
-          from *_map_sg().
-
-          Most drivers don't have this problem; it is safe to say Y here.
-
 config IOMMU_HELPER
         def_bool PPC64
 
diff --git a/arch/powerpc/kernel/iommu.c b/arch/powerpc/kernel/iommu.c
index 5547ae6e6b0b..ec94f906ea43 100644
--- a/arch/powerpc/kernel/iommu.c
+++ b/arch/powerpc/kernel/iommu.c
@@ -42,12 +42,7 @@
 
 #define DBG(...)
 
-#ifdef CONFIG_IOMMU_VMERGE
-static int novmerge = 0;
-#else
-static int novmerge = 1;
-#endif
-
+static int novmerge;
 static int protect4gb = 1;
 
 static void __iommu_free(struct iommu_table *, dma_addr_t, unsigned int);